This is the 9236th most frequent Japanese word.
生臭
Smelling of raw fish or meat; fishy.
The term '生臭' is used here as a word to describe a 'fishy smell' originating from the fish.
この魚は生臭い匂いがします。
This fish smells fishy.
In this context, '生臭' is part of the fixed term '生臭坊主', metaphorically indicating spiritual impurity.
生臭坊主とは仏教の教えを守らない僧のことです。
An "生臭坊主" refers to a monk who does not follow Buddhist precepts.
Here, '生臭い' conveys the smell characteristic of marine or fish-related environments.